阅读说明：本技术 一种加热针成型工艺 (Heating needle forming process ) 是由 程相乐 严晨 梅文浩 李军 王莉 于 2019-11-08 设计创作，主要内容包括：本发明提供一种加热针成型工艺,属于加热针包裹技术领域。该加热针成型工艺包括如下步骤：S1：将电阻浆料通过丝网印刷在流延基片上以形成流延片；S2：将流延片一侧涂上粘结剂以形成流延粘接片,将流延粘接片放置于底座上的容置槽中,流延粘接片涂有粘结剂的一端设置于顶端；S3：将芯棒本体设置于流延粘接片顶端；S4：通过挤压件朝着靠近容置槽的方向运动以挤压芯棒本体底端粘接于芯棒本体使得形成芯棒成品。本发明效率较高,加热针包裹较均匀,芯棒成品质量较高。(The invention provides a heating needle forming process, and belongs to the technical field of heating needle wrapping. The heating needle forming process comprises the following steps: s1: screen printing the resistance paste on a casting substrate to form a casting sheet; s2: coating a binder on one side of the casting sheet to form a casting bonding sheet, placing the casting bonding sheet in a containing groove on the base, and arranging one end of the casting bonding sheet, which is coated with the binder, at the top end; s3: arranging the core rod body at the top end of the tape-casting bonding sheet; s4: the bottom end of the mandrel body is extruded to be bonded to the mandrel body by the extrusion piece moving towards the direction close to the containing groove, so that a finished mandrel product is formed. The invention has the advantages of higher efficiency, more uniform heating needle wrapping and higher quality of the finished core rod.)

1. A heating needle forming process is characterized by comprising the following steps:

s1: screen printing the resistance paste on a casting substrate to form a casting sheet;

s2: coating a binder on one side of the casting sheet to form a casting bonding sheet, placing the casting bonding sheet in a containing groove on the base, and arranging one end of the casting bonding sheet, which is coated with the binder, at the top end;

s3: arranging the core rod body at the top end of the tape-casting bonding sheet;

s4: the bottom end of the mandrel body is extruded to be bonded to the mandrel body by the extrusion piece moving towards the direction close to the containing groove, so that a finished mandrel product is formed.

2. A heating pin forming process as claimed in claim 1, wherein: the containing groove is an arc containing groove, and an arc-shaped casting sheet with the radian equal to that of the arc containing groove is extruded into the casting sheet between the steps S1 and S2.

3. A heating pin forming process as claimed in claim 1 or 2, wherein: the extrusion piece comprises a first extrusion structure used for extruding the first end of the mandrel body, a second extrusion structure used for extruding the first end of the mandrel body, a first pushing structure used for driving the first extrusion structure and a second pushing structure used for driving the second extrusion structure, and in the step S4, the first extrusion structure and the second extrusion structure respectively move towards the direction close to the mandrel body in an opposite mode.

4. A heating pin forming process as claimed in claim 3, wherein: the moving distance of the first pressing structure and the moving distance of the second pressing structure in step S3 are equal to equalize the pressing forces applied by the first pressing structure and the second pressing structure on the casting adhesive sheet, respectively.

5. A heating pin forming process as claimed in claim 1 or 2, wherein: in step S2, the cast adhesive sheet is conveyed to the container by the conveyor belt.

6. A heating pin forming process as claimed in claim 3, wherein: the first extrusion structure is provided with a first extrusion part, the second extrusion structure is provided with a second extrusion part, and the first extrusion part, the second extrusion part and the accommodating groove form a cylinder when the first extrusion part abuts against the second extrusion part.

7. A heating pin forming process as claimed in claim 1 or 2, wherein: step S3 is followed by moving the pressing member away from the finished core rod to remove the finished core rod from the accommodating slot by the first robot.

8. A heating pin forming process as claimed in claim 1 or 2, wherein: in step S3, the mandrel bar body is placed on the top end of the casting adhesive sheet by the second robot.

9. A heater pin forming process as claimed in claim 8, wherein: the central line of the mandrel body coincides with the central line of the casting adhesive sheet, a first infrared signal transmitter is arranged at one end of the accommodating groove, a first infrared signal receiver used for receiving infrared signals transmitted by the first infrared signal transmitter is arranged at one end of the second manipulator, and the mandrel body is placed on the top end of the casting adhesive sheet by the second manipulator when the first infrared signal receiver receives the infrared signals transmitted by the first infrared signal transmitter.

10. A heating pin forming process as claimed in claim 3, wherein: the top end of the accommodating groove is provided with a pressure sensor for detecting the surface pressure of the accommodating groove, and the device further comprises a controller for receiving a signal of the pressure sensor and respectively controlling the first pushing structure and the second pushing structure, wherein when the controller receives that the surface pressure detected by the pressure sensor is greater than the preset pressure, the controller controls the first pushing structure to drive the first extruding structure to move towards the direction away from the accommodating groove and controls the second pushing structure to drive the second extruding structure to move towards the direction away from the accommodating groove.

Technical Field

The invention belongs to the technical field of heating needle wrapping, and relates to a heating needle forming process.

Background

The existing heating needle or needle type heating element consists of the following materials: the production method comprises the steps of a core rod, a casting substrate, resistance paste and a binder, wherein the resistance paste is printed on the casting substrate through the technologies such as screen printing to form a circuit, and then the casting substrate is fixed on the core rod in the modes of gluing and manual rod twisting.

Disclosure of Invention

The invention provides a heating needle forming process aiming at the problems in the prior art, and the technical problems to be solved by the invention are as follows: how to provide a heating needle forming process.

The purpose of the invention can be realized by the following technical scheme:

a heating needle forming process comprises the following steps:

s1: screen printing the resistance paste on a casting substrate to form a casting sheet;

s2: coating a binder on one side of the casting sheet to form a casting bonding sheet, placing the casting bonding sheet in a containing groove on the base, and arranging one end of the casting bonding sheet, which is coated with the binder, at the top end;

s3: arranging the core rod body at the top end of the tape-casting bonding sheet;

s4: the bottom end of the mandrel body is extruded to be bonded to the mandrel body by the extrusion piece moving towards the direction close to the containing groove, so that a finished mandrel product is formed.

Preferably, the receiving groove is an arc receiving groove, and an arc-shaped casting sheet for extruding the casting sheet into an arc shape with the radian equal to that of the arc receiving groove is further included between the steps S1 and S2.

Preferably, the extrusion member includes a first extrusion structure for extruding the first end of the mandrel body, a second extrusion structure for extruding the first end of the mandrel body, a first pushing structure for driving the first extrusion structure, and a second pushing structure for driving the second extrusion structure, and in step S4, the first extrusion structure and the second extrusion structure respectively move toward the mandrel body.

Preferably, the moving distance of the first pressing structure and the moving distance of the second pressing structure in step S3 are equal to equalize the pressing forces applied by the first pressing structure and the second pressing structure on the casting adhesive sheet, respectively.

Preferably, the cast adhesive sheet is conveyed to the container by a conveyor belt in step S2.

Preferably, the first extrusion structure is provided with a first extrusion portion, the second extrusion structure is provided with a second extrusion portion, and the first extrusion portion, the second extrusion portion and the accommodating groove form a cylinder when the first extrusion portion abuts against the second extrusion portion.

Preferably, step S3 is followed by moving the pressing member away from the finished core rod to remove the finished core rod from the accommodating groove by the first robot.

Preferably, in step S3, the mandrel bar body is placed on the top end of the cast adhesive sheet by the second robot.

Preferably, the central line of the mandrel body coincides with the central line of the casting adhesive sheet, one end of the accommodating groove is provided with a first infrared signal transmitter, one end of the second manipulator is provided with a first infrared signal receiver used for receiving infrared signals transmitted by the first infrared signal transmitter, and the second manipulator places the mandrel body on the top end of the casting adhesive sheet when the first infrared signal receiver receives the infrared signals transmitted by the first infrared signal transmitter.

Preferably, the top end of the accommodating groove is provided with a pressure sensor for detecting the surface pressure of the accommodating groove, and the device further comprises a controller for receiving a signal of the pressure sensor and respectively controlling the first pushing structure and the second pushing structure, wherein when the controller receives that the surface pressure detected by the pressure sensor is greater than a preset pressure, the controller controls the first pushing structure to drive the first extruding structure to move towards the direction away from the accommodating groove, and controls the second pushing structure to drive the second extruding structure to move towards the direction away from the accommodating groove.

According to the invention, the resistance slurry is firstly subjected to screen printing on the casting substrate to form the casting sheet, then one side of the casting sheet is coated with the binder to form the casting bonding sheet, the casting bonding sheet is placed in the accommodating groove on the base, then the core rod body is arranged at the top end of the casting bonding sheet, and finally the bottom end of the core rod body is extruded to be bonded to the core rod body through the movement of the extrusion piece towards the direction close to the accommodating groove, so that a finished core rod product is formed, the efficiency is high, the heating pins are uniformly wrapped, and the quality of the finished core.

Drawings

FIG. 1 is a schematic flow diagram of the present invention.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

Referring to fig. 1, the forming process of the heating pin in the embodiment includes the following steps:

s1: screen printing the resistance paste on a casting substrate to form a casting sheet;

s2: coating a binder on one side of the casting sheet to form a casting bonding sheet, placing the casting bonding sheet in a containing groove on the base, and arranging one end of the casting bonding sheet, which is coated with the binder, at the top end;

s3: arranging the core rod body at the top end of the tape-casting bonding sheet;

s4: the bottom end of the mandrel body is extruded to be bonded to the mandrel body by the extrusion piece moving towards the direction close to the containing groove, so that a finished mandrel product is formed.

Here, at first with resistance thick liquids through screen printing in order to form the curtain coating piece on the casting substrate, then scribble the binder in order to form the curtain coating bonding piece with curtain coating piece one side, place the curtain coating bonding piece in the storage tank on the base, set up the plug body in curtain coating bonding piece top after that, move towards the direction that is close to the storage tank through the extruded article at last with extrusion plug body bottom bond in the plug body make form the plug finished product, efficiency is higher, the heating pin parcel is more even, the plug finished product quality is higher.

The containing groove is an arc containing groove, and an arc-shaped casting sheet for extruding the casting sheet into an arc shape with the radian equal to that of the arc containing groove is further included between the steps S1 and S2.

The extrusion piece comprises a first extrusion structure for extruding the first end of the mandrel body, a second extrusion structure for extruding the first end of the mandrel body, a first pushing structure for driving the first extrusion structure and a second pushing structure for driving the second extrusion structure, and in the step S4, the first extrusion structure and the second extrusion structure respectively move towards the direction close to the mandrel body in an opposite direction.

In step S3, the moving distance of the first extrusion structure is equal to the moving distance of the second extrusion structure so that the extrusion forces applied by the first extrusion structure and the second extrusion structure on the casting adhesive sheet are equal, so that the forces applied to the casting adhesive sheet are equal, and the casting adhesive sheet is uniformly adhered to the mandrel body.

In step S2, the cast adhesive sheet is conveyed to the container by the conveyor belt.

The first extrusion structure is provided with a first extrusion part, the second extrusion structure is provided with a second extrusion part, the first extrusion part, the second extrusion part and the accommodating groove form a cylinder when the first extrusion part abuts against the second extrusion part, and the mandrel body is a cylinder and is convenient for bonding the casting bonding sheet on the mandrel body.

Step S3 is followed by moving the pressing member away from the finished core rod to remove the finished core rod from the accommodating slot by the first robot.

In step S3, the mandrel bar body is placed on the top end of the casting adhesive sheet by the second robot.

The central line of plug body and the central line coincidence of curtain coating bonding sheet, storage tank one end is equipped with first infrared signal transmitter, and second manipulator one end is equipped with the first infrared signal receiver that is used for receiving the infrared signal of first infrared signal transmitter transmission, and the second manipulator places the plug body on curtain coating bonding sheet top when the infrared signal of first infrared signal transmitter transmission is received to first infrared signal receiver, realizes the location of plug body and curtain coating viscose sheet.

The top end of the accommodating groove is provided with a pressure sensor for detecting the surface pressure of the accommodating groove, and the device further comprises a controller for receiving a signal of the pressure sensor and respectively controlling the first pushing structure and the second pushing structure, wherein when the controller receives that the surface pressure detected by the pressure sensor is greater than the preset pressure, the controller controls the first pushing structure to drive the first extruding structure to move towards the direction away from the accommodating groove and controls the second pushing structure to drive the second extruding structure to move towards the direction away from the accommodating groove. The controller may be an STM32 single chip microcomputer.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.